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Posted: 4/12/2024 12:41:22 PM EDT
[#1]
try vinegar
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Posted: 4/12/2024 1:11:47 PM EDT
[#2]
Just straight up vinegar or do I need some concentrated something or other?
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Posted: 4/12/2024 1:15:09 PM EDT
[#3]
I'd use aluminum brightener from NAPA. Start with 2:1 dilution in a pump sprayer. Wear a respirator and ppe.
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Posted: 4/12/2024 1:28:52 PM EDT
[#4]
Quote HistoryQuoted: Just straight up vinegar or do I need some concentrated something or other? try straight up vinegar. The stains are calcium carbonate, vinegar will dissolve it. But, it's a weak enough acid where it shouldn't etch the brick/mortar. |
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Posted: 4/12/2024 4:28:20 PM EDT
[#5]
Maybe Zep Big Orange? Maybe at home depot? I use the aerosol version for iron stains in the shower. Best thing I have found so far
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Posted: 4/12/2024 11:27:12 PM EDT
[#6]
I tried out the straight household vinegar and a scrub brush. No luck at all.
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Posted: 4/12/2024 11:29:12 PM EDT
[#7]
Quote HistoryQuoted: I'd use aluminum brightener from NAPA. Start with 2:1 dilution in a pump sprayer. Wear a respirator and ppe. For brick? |
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Posted: 4/12/2024 11:29:31 PM EDT
[#8]
Quote HistoryQuoted: Maybe Zep Big Orange? Maybe at home depot? I use the aerosol version for iron stains in the shower. Best thing I have found so far I’ll check that out and see. |
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Posted: 4/13/2024 7:57:16 PM EDT
[#9]
Quote HistoryQuoted: For brick? Yep. It takes red clay and rust stains off also. Can you post a pic? |
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Posted: 4/13/2024 10:36:02 PM EDT
[#10]
Mebby CLR?
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Posted: 5/1/2024 10:42:46 PM EDT
[#11]
muriatic acid. auto parts store.
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Posted: 5/2/2024 10:25:34 PM EDT
[#12]
Diluted muriatic acid.
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